DEVICE, METHOD AND PROGRAM FOR PREDICTING ELECTROMAGNETIC WAVE ATTENUATION

WIPO Patent Application WO/2022/176575

A1

Provided are a device, method and program which make it possible to predict the attenuation of an electromagnetic wave in the sky of a target area while taking into account the impacts of future long-term changes in weather. This device for predicting the attenuation of an electromagnetic wave between the ground and a wireless device located above a target area is equipped with a data acquisition unit for acquiring past weather data for the target area, and an estimation unit for estimating the weather which corresponds to a future target year in the sky of said target area on the basis of past weather data, and estimating the attenuation of the electromagnetic wave on the basis of the weather estimation results.

TANAKA SHOMA (JP)
OMOTE HIDEKI (JP)
SATO AKIHIRO (JP)
KIMURA SHO (JP)
LIN HOYU (JP)

PCT/JP2022/003416

August 25, 2022

January 28, 2022

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SOFTBANK CORP (JP)

H04B17/373; G01W1/10; H04B17/309; H04B17/391

JP2014026625A	2014-02-06
JP2006246375A	2006-09-14
JPH1174804A	1999-03-16
JP2004205233A	2004-07-22

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"Propagation data and prediction methods required for the design of Earth-space telecommunication systems", RECOMMENDATION ITU-R, pages 618 - 13
"Global Warming Prediction Information", JAPAN METEOROLOGICAL AGENCY, vol. 9, 2017

KURODA Hisashi et al. (JP)

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